package com.atguigu.springcloud.service;

/**
 * 版权声明 QZing 版权所有
 * 关联资源
 * 修订记录：
 * 1）更改者：
 * 时  间：2015-9-1
 * 描  述：创建
 */
import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {

	//成功
	public String paymentInfo_OK(Integer id){
		return "线程池："+Thread.currentThread().getName()+"   paymentInfo_OK,id：  "+id+"\t"+"哈哈哈"  ;
	}

	//失败
	@HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
			@HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "3000")  //3秒钟以内就是正常的业务逻辑
	})
	public String paymentInfo_TimeOut(Integer id){
		 int timeNumber = 5;
//		try {int age = 10/0;} catch (Exception e) {e.printStackTrace();}
		 try { TimeUnit.SECONDS.sleep(timeNumber); }catch (Exception e) {e.printStackTrace();}
		//return "线程池："+Thread.currentThread().getName()+"   paymentInfo_TimeOut,id：  "+id+"\t"+"呜呜呜"+" 耗时(秒)"+timeNumber;
		System.out.println("运行完了");
		return "线程池："+Thread.currentThread().getName()+"   paymentInfo_TimeOut,id：  "+id+"\t"+"呜呜呜"+" 耗时(秒)";
	}

	//兜底方法
	public String paymentInfo_TimeOutHandler(Integer id){
		return "线程池："+Thread.currentThread().getName()+"   系统繁忙, 请稍候再试  ,id：  "+id+"\t"+"/(ㄒoㄒ)/~~";
	}

	//服务熔断
	@HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
			@HystrixProperty(name = "circuitBreaker.enabled",value = "true"),  //是否开启断路器
			@HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),   //请求次数
			@HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),  //时间范围
			@HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), //失败率达到多少后跳闸
	})
	public String paymentCircuitBreaker(@PathVariable("id") Integer id){
		if (id < 0){
			throw new RuntimeException("*****id 不能负数");
		}
		String serialNumber = IdUtil.simpleUUID();

		return Thread.currentThread().getName()+"\t"+"调用成功,流水号："+serialNumber;
	}
	public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id){
		return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " +id;
	}
}